Celebrating the Beauty of the Night Sky
MN
Pinwheel Galaxy
M101 | Messier 101 | NGC 5457
The Pinwheel Galaxy is much larger than the Milky Way, with some 1 trillion stars and a disk 170,000 light years across.


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All Images of Pinwheel Galaxy
28 Jun 2009

Details:
Night of:Sunday June 28, 2009
Site:Rancho Santa Margarita
Local Time:11:23 PM | Jun 28, 2009
Altitude:
RA:14h 03m 13s
Declination:+54d 21'
Distance:21 million light years
Magnitude:+7.9 mV
Size:28.8' x 26.9'
Camera Settings:
Telescope:9.25-SCT
Camera:Orion Starshoot DSI2 + f/3.3 Reducer
f/ratio:f/3.3
Pixel Scale:2.08 arcsec
Image Size:746 x 544 pixels (0.4 MP)
25.9' x 18.9'
Exposure:30 sec
Stacked Frames:7
Total Integration:4 minutes
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