Images of M15 | Messier 15 | NGC 7078

AstroImaging by Myke Wolf
Celebrating the Beauty of the Night Sky

Globular Cluster

M15 | Messier 15 | NGC 7078

M15, at Class IV, is one of the most densely-packed globular clusters, and one of the few known to contain a planetary nebula (Pease 1 or K 848, 15.5 mV and 3' diameter). With over 100,000 stars, this cluster is 175 light years in diameter. It is thought to contain a black hole at its core. Half the cluster's mass is concentrated within the central 1.06'. The brightest stars are 12.6 mV.

Although shot through a 60mm guide scope, this image shows 15th mag stars and resolved the outer shell of M15

All Images of Globular Cluster
24 Nov 2017	24 Nov 2017	09 Jun 2016	01 Nov 2013

05 Oct 2013	20 Sep 2009

Details:

Night of:	Friday November 24, 2017
Site:	Laguna Niguel
Local Time:	6:45 PM \| Nov 24, 2017
Altitude:	55°

RA:	21h 29m 58s
Declination:	+12d 10'

Distance:	33,600 light years
Magnitude:	+6.2 mV
Size:	18'

Camera Settings:

Telescope:	2.4in-ZWO
Camera:	ZWO ASI224
f/ratio:	f/4.6
Pixel Scale:	2.69 arcsec
Image Size:	830 x 635 pixels (0.5 MP)
	37.2' x 28.5'
Exposure:	5 sec
Gain:	0
Video Length:	?
Stacked Frames:	50
Total Integration:	4 minutes

Shot Info:	60mm guide scope SharpCap live stacking

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