Michael Purcell's Astrophotography

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M15

M15

(Click on the picture above to go to the main image.)

This is a recent update taken with the ST-7. For comparison, check out my previous M15 image.

Here is the latest picture of M15 (85KB JPEG) from the Hubble Space Telescope.

Globular clusters are usually very old, and rarely contain Planetary Nebulae. However, last year one was discovered in M15. Called Pease 1, you can check out the finder chart and test your deep sky observing skills!

I took this picture from my driveway.

Constellation Pegasus
Right Asc (hh:mm:ss) 21:30:00
Declination(deg:sec) 12:10
Magnitude 6.4
Size (ArcMin) 12.3
Tirion SkyAtlas 2000 #17
Uranometria 2000 #210

CCD Camera Parameters

ST-7 Compressed Image
File_version = 3
Data_version = 1
Exposure = 1 minute
Focal_length = 63.000
Aperture = 65.9400
Response_factor = 300.000
Note = Picture taken 11/11/95 at 20:09:32
Background = 127
Range = 176
Height = 510
Width = 765
Date = 11/11/95
Time = 20:09:32
Exposure_state = 37
Temperature = -29.72 C
Number_exposures = 1
Each_exposure = 1 minute
History = D
Observer = Michael Purcell
X_pixel_size = 0.0090
Y_pixel_size = 0.0090
Pedestal = 0
E_gain = 3.00
User_1 = CCDOPS for DOS Version 2.05

This page last updated on February 9, 1998 Contact Michael Purcell

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