Michael Purcell's Astrophotography

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M3

I took this picture from my driveway.


Constellation Canes Venatici
Right Asc (hh:mm:ss) 13:42:12
Declination(deg:sec) 28:23
Magnitude 6.2
Size (ArcMin) 16.2
Tirion SkyAtlas 2000 #7
Uranometria 2000 #110

CCD Camera Parameters

ST-6 Compressed Image
File_version = 3
Data_version = 1
Exposure = 2.5 minutes
Focal_length = 80.000
Aperture = 40.200
Response_factor = 1000.000
Note = M3, Globular Cluster in Canes Venatici
Background = 368
Range = 2896
Height = 237
Width = 363
Date = 05/08/93
Time = 22:51:48
Exposure_state = 228
Temperature = -20.05 C
Number_exposures = 10
Each_exposure = 15 seconds
History = RFF
Observer = Mike Purcell
X_pixel_size = 0.0230
Y_pixel_size = 0.0270
Pedestal = 2480
E_gain = 6.70

This page last updated on June 14, 1998 Contact Michael Purcell

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