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Topic: NGC 7654

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	IAAC Observations Matching Your Criteria
		(IAAC) Obj: NGC 6318 - Inst: Orion 6" Dob
		(IAAC) Obj: NGC 6522 - Inst: Orion 6" Dob
		(IAAC) Obj: SN 1999by in NGC 2841 - Inst: Meade LX10 8" SCT
	www.visualdeepsky.org /search.cgi?catalogs=NGC&ids=7654 (12507 words)

	110 Messier Objects Photos. M Object Images Galaxy Pictures
		M1, NGC 1952, Crab Neb, APD 01 03 25
		M1, NGC 1952, Crab Nebula, APD 00 07 11
		NGC 4486, M87, Jet from Virgo A, APD 00 07 06
	www.biochem.szote.u-szeged.hu /astrojan/messiert.htm (345 words)

	MESSIER MONTH
		(NGC 7654) Charles Messier himself discovered this rich open cluster of about 200 stars in 1774, when a comet swept close by.
		M31 (NGC 224) The famous Andromeda Galaxy is plain to the naked eye under dark skies, so it must have been known to all civilizations that practiced astronomy.
		M33 (NGC 598) Though outshone by its neighbor M31, the Pinwheel is a considerable galaxy in itself.
	www.palouseastro.wsu.edu /messier/MMbMOct.html (484 words)

	WEBDA: Update (Site not responding. Last check: 2007-10-15)
		The data for NGC 6823 are part of the standard fields established by P. Stetson.
		The data for NGC 7654 are part of the standard fields established by P. Stetson.
		NGC 2437 is the first one of these standard cluster fields integrated in the database.
	obswww.unige.ch /webda/new_2000_0910.html (616 words)

	Beobachtungsberichte (Site not responding. Last check: 2007-10-15)
		NGC 7789: Offener Sternhaufen in Cassiopeia am besten mit 35-fach, erscheint auf den ersten Blick als leicht ovaler Nebel, erst nach längerer Zeit als einzelne Sterne erkennbar.
		M 52 = NGC 7654: Offener Sternhaufen in Cassiopeia Nebelfleck mit 35-fach, besser aufgelöst mit 56-fach und 116-fach, jedoch schwach.
		NGC 869 und NGC 884: Offene Sternhaufen in Perseus in jeder Vergrößerung schön; mit 35-fach erkennt man zwei "Inseln" in dunkler Umgebung, mit der Vergrößerung steigen auch die Details.
	www.ra-dec.de /bb0112.html (223 words)

	Tom Campbell; A Few Foxy Clusters (Site not responding. Last check: 2007-10-15)
		The cluster was compact, with several arcs and knots of stars jumbled together.
		NGC 6882 was a large donut-shaped ring of stars.
		NGC 6885 was superimposed on this cluster, and was centered around the bright star mentioned previously.
	www.observers.org /reports/2003.08.15.3.html (424 words)

	10 Discussion
		Because of the supernovae explosions the gas and dust from the central region would have been pushed toward the outer region of the cluster, thereby increasing the density of gas and dust in that region.
		The mass distribution of brighter (i.e., massive) stars in NGC 7654 as a function of age (see Fig.
		Thus the mass function of NGC 7654 does not support the three component model recently proposed by Scalo (1998), where he gives a slope of mass function as
	aanda.u-strasbg.fr:2002 /papers/aa/full/2001/29/aa1127/node10.html (935 words)

	Astron. Astrophys. 328, 158-166 (1997) (Site not responding. Last check: 2007-10-15)
		New improved CCD photometry have been obtained for the four intermediate age open clusters: NGC 7245, NGC 7062, NGC 7226, NGC 7654 and calibrated colour-magnitude diagrams are presented.
		The time series measurements of NGC 7062 were too noisy to look for low amplitude variables, but we can conclude that NGC 7062 does not contain variable stars with amplitudes higher than about 0.01 mag.
		NGC 7654 was found to have two potential variables, both good
	aa.springer.de /papers/7328001/2300158/sc5.htm (197 words)

	Cassiopeia
		M52 (NGC 7654) is an open cluster of about 120 stars.
		NGC 457 is an open cluster about 4º SE of gamma Cas.
		NGC 7789 is a rich open cluster of perhaps a thousand stars.
	www.dibonsmith.com /cas_con.htm (709 words)

	SCYON: Paper abstracts (Site not responding. Last check: 2007-10-15)
		NGC 7654: An interesting cluster to study star formation history
		photometry in a wide field around the open cluster NGC 7654 has been carried out for ~ 17860 stars, down to V ~ 20.
		The age of NGC 7654 is found to be comparable to its two-body relaxation time-scale; therefore this may also be a reason for the observed mass segregation in the cluster.
	obswww.unige.ch /webda/scyon/Pandey.html (321 words)

	Astronomy Object Index listing for N (Site not responding. Last check: 2007-10-15)
		On the giant, horizontal and asymptotic branches of galactic globular clusters - V. CCD photometry of NGC 1261.
		CCD photometry of the globular cluster {omega} Centauri.
		NGC 7654: An interesting cluster to study star formation history (Pandey, A.K.+,2001)
	tarantella.gsfc.nasa.gov /archive/AstroObjectIndexN.html (1108 words)

	RASC Calgary Centre - Constellation of the Month
		As mentioned, objects are grouped roughly by brightness, ranging from naked eye brightness to being a struggle with a 16" scope.
		The Messier Objects are all present, as are the 110 Finest NGC objects from the The RASC Observer's Handbook as well as many of the objects on the list of RASC Deep-Sky Challenge Objects.
		Small scopes are defined as those up to 6", big scopes from 8" to 10", and challenge objects are best viewed with scopes of 11" diameter and larger.
	www.syz.com /rasc/constellations (589 words)

	IMAGE INDEX (Site not responding. Last check: 2007-10-15)
		NGC 7654 NGC 7092 NGC 6913 NGC 7078 NGC 7089
		23:NGC 2682 NGC 2682 NGC 2682 NGC 2682 NGC 2682 NGC 2682 NGC 2682 NGC 2682 NGC 2682 NGC 2682 NGC 2682 NGC 2682 NGC 2682 NGC 2682 NGC 2682 NGC 2682 NGC 2682
		NGC 1952 NGC 1952 AO0235+164 AO0235+164 PKS0215+015 PKS0215+015 PKS0215+015 Nova Cas 95 Nova Cas 95 Nova Cas 95 Nova Cas 95 Nova Cas 95 Nova Cas 95 Nova Cas 95 Nova Cas 95 I Flatfield Nova Cas 95 3C446 3C446 AO0235+164 PKS0735+178
	nfo.edu /image.old.htm (3417 words)

	Catalogue Selection Page
		NGC 6231 UBVRI and H{alpha} photometry (Sung+ 1998) (
		UBVRI and H{alpha} in NGC 6530 (Sung+, 2000) (
		UBVI CCD photometry of NGC 2516 (Sung+, 2002) (
	vizier.cfa.harvard.edu /viz-bin/VizieR-2?-kw.cat=51271014 (413 words)

	Star cluster M52 (Site not responding. Last check: 2007-10-15)
		The open star cluster Messier 52 (NGC 7654) in Cassiopeia, shown from a 15-second V-band exposure (obtained an hour into morning twilight) with a Tektronix 2048x2048 CCD at the prime focus of the 4-meter Mayall telescope of Kitt Peak National Observatory.
		North is at the top and east to the left, for direct comparison with a chart or eyepiece view.
		The cluster of bright stars is not as obvious as one would think, since the visual impression is hard to capture on a monitor across such a wide brightness range.
	www.astr.ua.edu /gifimages/m52v.html (111 words)

	NGC - netlexikon
		Zur Reform der astronomischen Integralphotometrie und ihre Anwendung auf den offenen Sternhaufen NGC 7654 [M 52] von Wilhelm Becker
		NGC 1569 The ISM of a Dwarf Galaxy in the Aftermath of a Starbrust von Stefanie Mühle
		Eine Dreifarbenphotometrie von Omega Centauri [NGC 5139] von Landessternwarte
	www.net-lexikon.de /NGC.html (212 words)

	[No title] (Site not responding. Last check: 2007-10-15)
		File table2.dat contains the photometric data of the stars in the field of NGC 7654.
		The stars are numbered in the increasing order of their radial distance from the cluster center.
		J_A+A_374_504_table2.dat - UBVI_C_ photometric data of the stars in the field of NGC 7654
	xml.gsfc.nasa.gov /archive/journals/A+A/374/504/index_long.html (142 words)

	Bild der Woche 17/00 (Site not responding. Last check: 2007-10-15)
		Auf unserem Bild sehen wir gleich zwei schöne Exemplare: neben NGC 7538 am rechten Rand, der bereits zum Sternbild Cepheus gehört, sehen wir in der Mitte NGC 7635, den Bubble-Nebel.
		Das andere interessante Objekt in der oberen Bildmitte ist M52 (NGC 7654), ein offener Sternhaufen von siebter Größenklasse.
		NGC 7654 (M52), NGC 7635 (Bubble-Nebel) und NGC 7538.
	www.wfs.be.schule.de /PotW/00_17/PotW.html (410 words)

	AstroWORDS - Internetowy Słownik Astronomiczny (Site not responding. Last check: 2007-10-15)
		M52 (NGC 7654) - gromada otwarta zawierająca ok. 120 gwiazd, odległa o 3800 lat świetlnych.
		Gromada otwarta NGC 7654 znajduje się w odległości 5000 lat świetlnych.
		Gromada otwarta NGC 581 w Kasjopei znajduje się w odległości 8000 lat świetlnych od nas.
	words.astronet.pl /word.cgi?309 (310 words)

	WAS List of 130 Deep Sky Objects (Site not responding. Last check: 2007-10-15)
		NGC 6633, NGC 6218 (M 12), NGC 6254 (M 10), NGC 6266 (M 62), NGC 6273 (M 19), NGC 6402 (M 14), NGC 6333 (M 9), NGC 6171 (M 107), NGC 6293, NGC 6572
		NGC 6656 (M 22), NGC 6523 (M 8), NGC 6618 (M 17), NGC 6514 (M 20), NGC 6626 (M 28), NGC 6809 (M 55), NGC 6818
		NGC 4594 (M 104), NGC 4472 (M 49), NGC 4486 (M 87), NGC 4649 (M 60), NGC 4406 (M 86), NGC 4374 (M 84), NGC 4569 (M 90), NGC 4526, NGC 4579 (M 58), NGC 4621 (M 59)
	www.westminsterastro.org /projects/was130.htm (6193 words)

	Messier Marathon Optimized List
		104 M‑39 21:32.2 +48.4 NGC 7092 OPN CL CYG 0Hr 20Hr 5.0 30
		106 M‑15 21:30.0 +12.2 NGC 7078 GLOB PEG 0Hr 20Hr 6.5 10
		107 M‑2 21:33.5 ‑00.8 NGC 7089 GLOB AQR 0Hr 20Hr 6.0 7
	www.1000plus.com /mesmarord.htm (1479 words)

	IMAGE INDEX (Site not responding. Last check: 2007-10-15)
		NGC 2632 NGC 2168 NGC 2099 NGC 2068 NGC 1960 NGC 1952 NGC 1912 NGC 1982 NGC 1976 NGC 1904
		NGC 2437 NGC 2422 NGC 2323 NGC 2287 NGC 2168 NGC 2099 NGC 2068 NGC 1960 NGC 1952 NGC 1912 NGC 1982 NGC 1976 NGC 1904 NGC 1039 NGC 650 NGC 581 NGC 598 NGC 628 NGC 244 NGC 221 NGC 205 NGC 1432 NGC 1068 NGC 7654
		NGC 7654 NGC 7092 NGC 6913 NGC 7078 NGC 7089 NGC 7099
	nfo.edu /image.htm (268 words)

	* M52 - (Astronomy): Definition
		M52 (NGC 7654) An Open cluster with about 200 stars brighter than 15th mag.
		NED data file for M52 (Jun 18, 2001) Object Names Type Object Names Type MESSIER 052 !Cl NGC* 7654 !*Cl Reference Frame Longitude Latitude RA DEC Uncertainty Ellipse (arcsec) (degrees) (degrees) Major Minor PA(deg) Equatorial (B1950...
		Cassiopeia is a northern circumpolar constellation, so it can be viewed all year long.
	en.mimi.hu /astronomy/m52.html (309 words)

	[No title]
		NGC 7601 NGC 7602 NGC 7603 NGC 7604 NGC 7605 NGC 7606 NGC 7607 NGC 7608 NGC 7609 NGC 7610
		NGC 7611 NGC 7612 NGC 7613 NGC 7614 NGC 7615 NGC 7616 NGC 7617 NGC 7618 NGC 7619 NGC 7620
		NGC 7651 NGC 7652 NGC 7653 NGC 7654 NGC 7655 NGC 7656 NGC 7657 NGC 7658 NGC 7659 NGC 7660
	www.astrosurf.com /benoit/p76.html (200 words)

	Cassiopeia
		The stars trace out the shape of an owl 13 arc minutes across, the 2 brightest stars mark the "eyes".
		(110NGC) Look for NGC 436 - a small mag 8.8 cluster of 30 stars 32 arc minutes NW.
		A bright, open cluster of 100 stars, 13 arc minutes in size.
	www.syz.com /rasc/constellations/cassiopeia.htm (343 words)

	Messier 51-60 (Site not responding. Last check: 2007-10-15)
		M 52 NGC 7654 Type of object: Open cluster Catalog position for epoch J2000.0 Right ascension: 23h 24m 12.0s Declination: +61° 35' 00" Constellation: Cassiopeia Object information Magnitude: 6.9 Size: 13.0' Number of stars: 200 Magnitude of brightest star: 8.2 Object classification: I 2 r Description: L,Ri,mCM,*9..13 Notes: Messier saw neby there is none
		M 53 NGC 5024 Type of object: Globular cluster Catalog position for epoch J2000.0 Right ascension: 13h 12m 55.3s Declination: +18° 10' 09" Constellation: Coma Berenices Object information Magnitude: 7.7 Size: 12.6' Object classification: 5 Description: !B,vC,iR,vvmbM,st 12...
		M 56 NGC 6779 Type of object: Globular cluster Catalog position for epoch J2000.0 Right ascension: 19h 16m 35.5s Declination: +30° 11' 05" Constellation: Lyra Object information Magnitude: 8.3 Size: 7.1' Object classification: 10 Description: B,L,iR,gvmCM,rrr Notes: Stars 11...
	www.utahskies.org /deepsky/messier/charts/messier_51-60.htm (306 words)

	Constellations
		Galaxies M51 (NGC 5194), the Whirlpool Galaxy, NGC 5195, a satellite galaxy of M51, and M94 (NGC 4736)
		Nebulae NGC 6992 (part of the Veil Nebula), the Cygnus Rift or Northern Coalsack and NGC 7000, the North America Nebula
		Open clusters M50 (NGC 2323), NGC 2232, NGC 2244 surrounded by the faint Rosette Nebula and NGC 2264 embedded in the Cone Nebula
	www.star-names.freeserve.co.uk /constellations.htm (1370 words)

	Messier Object 52 (Site not responding. Last check: 2007-10-15)
		M52 can be found quite easily by extending the line from Alpha over Beta Cassiopeiae by 6 1/2 degrees to the NW to 5th mag 4 Cassiopeiae; M52 is roughly 1 degree south and slightly west of this star.
		Situated about 35' SW of M52 is the Bubble Nebula NGC 7635, a diffuse nebula which appears as a large, faint and diffuse oval, about 3.5x3' around the 7th-mag star HD 220057 of spectral type B2 IV.
		It is difficult to see because of its low surface brightness.
	www.obspm.fr /messier/m/m052.html (476 words)

	Kasiopeja
		Phi Cas je jos jedan visestruki sistem, cija se dvojnost nalazi na rubu NGC 457.
		Tesko se moze videti dvogledom, pogotovo sto se moze lako pomesati sa jos jednim jatom (NGC 663) koje se nalazi 1,5
		Sa gornje desne strane nalazi se jos jedna maglina, NGC 1795 koja ima svog komsiju odmah sa istocne strane IC1848
	www.astronomija.co.yu /dubokisvemir/galaksija/sazvezdja/kasiopeja/index.htm (745 words)

	Catalogue: J/A+A/374/504/table2
		J/A+A/374/504 UBVI photometry of NGC 7654 (Pandey+, 2001) ================================================================================ NGC 7654: An interesting cluster to study star formation history Pandey, A.K., Nilakshi, Ogura, K., Sagar, R., Tarusawa, K.
		Objects: ---------------------------------------------------------- RA (2000) DE Designation(s) ---------------------------------------------------------- 23 24 12 +61 35.0 NGC 7654 = M 52 ---------------------------------------------------------- File Summary:
		photometric data of the stars in the field of NGC 7654
	vizier.u-strasbg.fr /cgi-bin/Cat?J/A+A/374/504/table2 (467 words)

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