Hubble's Variable Nebula

Observations

Glenlea Astronomical Observatory, University of Manitoba

Unless noted otherwise, all GAO images at this web site were taken as follows:

Telescope:
Camera:
Filter:
Exposure:
Observer:
Orientation:
Size:
Processing:

40 cm Evans reflector, 6400mm effective focal length
SBIG ST6 CCD Camera
Clear
20 minutes
C. F. Brown
North at the top, East to the left
4.6 x 3.5 arcminutes
In CCDOPS: dark subtraction, flat-fielding, hot and cold pixel removal
In WinMips: image scaling and rotation

Image Archive - choose an image from one or both of the following lists.

This tool allows any two images from this study or from a sample of Lampland's images to be compared side by side.

3 digit entries refer to the Julian date of an image taken at the GAO (JD2,451,xxx).
6 digit entries refer to the date of an image taken at the Lowell Observatory (yymmdd).

Images taken by others

D.F. Malin - 3.9 m Anglo-Australian Telescope, 30 minute exposure, GG385 filter, IIaO emulsion (B band).
D.F. Malin - 3.9 m Anglo-Australian Telescope, composite colour image
L.M. Close - 3.6 m Canada-France-Hawaii Telescope, 24 minute exposure, H band, width 38 arcseconds.
C.O. Lampland - side by side thumbnail sample of Lowell Observatory images from 1920 to 1951.

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Last modified April 18, 1999