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Photographer:

Derek Santiago

Email:

schmeah@aol.com

Location of Photo:

Morristown, NJ

Date/Time of photo:

9/2/07 and 9/3/07

Equipment:

DSI Pro II on 10"LX200R at f/3.3. Guided with DSI II on Orion ED80. Schuler narrowband filters.

Description:

This closeup of NGC 281, an emmission nebula in Cassiopeia also known as the PacMan nebula, was taken over 2 moonlit nights using narrowband filters. The Bok globules are immense molecular clouds which absorb light from the main nebula and can be star forming. The total exposure time was 7 hours, 3 hours of Ha and 4 hours of OIII with 5.5 minute subexposures.

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