Hemisphere:  Northern
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The Elephant Trunk, 


            Mark Holbrook
The Elephant Trunk
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The Elephant Trunk

Technical card

Imaging telescopes or lenses: Celestron C14 Edge+Hyperstar

Imaging cameras: ZWO ASI 183MM Pro

Mounts: Paramount MX+  ·  Software Bisque Paramount ME II Paramount ME II

Software: Software Bisque TheSkyX Professional suite  ·  PixInsight 1.8 PixInsight version 1.8

Filters: Baader UV/IR-Cut

Accessory: Thousand Oaks Optical Dew Controller 4 channel  ·  Technical Innovations Robofocus  ·  ZWO EFWmini (5 x 1.25″or 5 x 31mm)  ·  DewBuster Shorty Dew Shield

Basic astrometry details

Astrometry.net job: 3062397

RA center: 21h 34' 28"

DEC center: +57° 29' 42"

Pixel scale: 0.362 arcsec/pixel

Orientation: 270.654 degrees

Field radius: 0.608 degrees

Resolution: 7116x9798

Data source: Backyard


Unguided image using dual C14/Hyperstar tandem mounted on Paramount MEII and ASI183M/ASI183MC cameras

9 Hours Lum as 30sec subs using ASI183M
9 Hours RGB as 30sec subs using ASI183MC
18 hours total

Lum from RGB added to Mono Lum for superlum of 14 hours



Mark Holbrook
License: None (All rights reserved)

Sky plot

Sky plot


The Elephant Trunk, 


            Mark Holbrook