pvdb142m

Van Den Berg 142 in IC1396

(aka The Elephant Trunk Nebula)

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Telescope: Takahashi FS-152 6" f/8 fluorite refractor reduced to f/6

Zeiss II German Equatorial Mount

Santa Barbara Instrument Group ST-8E NABG CCD camera (1530 x 1020 pixels, 9 x 9mm, monochromatic, 16 bit, 13.8 x 9.2mm array)

CWF8 color filter wheel with Ha and IR-blocking red, green and blue dichroic filters

Exposure Information:

Date: Sunday October 14, 2001

Location: Mt. Pinos, CA

Elevation: Approx. 8300', OAT +39F

Composition: LRGB with L=Ha+R, R=Ha+R, G, B

Ha:R:G:B = 90:20:20:30 minutes. Total exposure time: 160 minutes

All subexposures were 10 minutes each