- Description: NGC1491 (AKA LBN704) - Emission nebula in Perseus is 21 arc minutes in size and listed
in the RASC 110 Finest NGC list by Alan Dyer. This is a digital stack of two film images. Colour from a 1991
cold camera shot, contrast and detail from a 1993 tech-pan shot.
- Camera: Canda Technologies dry ice camera
- Filters: Lumicon Deep Sky
- Scope: 8" F6 Newtonian
- Mount: Modified Meade DS16 Mount
- Exposure: 50 minutes on Kodak Ektachrome 400
- Location: near Carseland, Alberta.
- Date: 31 December 1991
- Second photo:
- Camera: Olympus OM1
- Filters: None
- Scope: 8" F6 Newtonian
- Mount: Modified Meade DS16 Mount
- Exposure: 60 minutes on Kodak hypered Tech Pan
- Location: Wilson Coulee Observatory, Alberta.
- Date: 13 November 1993
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