Michael Purcell's Astrophotography

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M99

I took this picture from Grove Creek Observatory.

Constellation Coma Berenices
Right Asc (hh:mm:ss) 12:18:48
Declination(deg:sec) 14:25
Magnitude 9.8
Size (ArcMin) 5
Tirion SkyAtlas 2000 #14
Uranometria 2000 #193

CCD Camera Parameters

ST-6 Compressed Image
File_version = 3
Data_version = 1
Exposure = 15 minutes
Focal_length = 97.959
Aperture = 141.3700
Response_factor = 2000.000
Note = Image taken 04/30/98 at 23:51:42
Background = 86
Range = 1707
Height = 237
Width = 337
Date = 04/30/98
Time = 23:51:42
Exposure_state = 100
Temperature = -30.00 C
Number_exposures = 30
Each_exposure = 30 seconds
History = RKEF
Observer = Purcell; C-14@f/7
X_pixel_size = 0.0230
Y_pixel_size = 0.0270
Pedestal = 4197
E_gain = 6.70
User_1 = CCDOPS for DOS Version 3.76
Filter = CLEAR
Readout_mode = 1
Track_time = 0
Sat_level = 65535

This page last updated on February 7, 1999 Contact Michael Purcell

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