Riddle 1
Riddle 1 is a faint 1 arc minute planetary nebula in Monoceros. It was discovered by Deep Sky Hunters member Dave Riddle in 2004 and confirmed to be a true planetary nebula in 2005.
The only other image of this target was taken in 2018 by Jim Shuder https://www.pbase.com/jshuder/image/167044580
The only other image of this target was taken in 2018 by Jim Shuder https://www.pbase.com/jshuder/image/167044580
TARGET
Nomenclature: Riddle 1
Right Ascension: 06:46:24.7
Declination: +08:29:02
Size: 1 arc minutes
EQUIPMENT USED
Twin APM TMB LZOS 152 refractors
10Micron GM2000 HPS mount
Twin QHYCCD QHY268 MM Pro cameras
Nomenclature: Riddle 1
Right Ascension: 06:46:24.7
Declination: +08:29:02
Size: 1 arc minutes
EQUIPMENT USED
Twin APM TMB LZOS 152 refractors
10Micron GM2000 HPS mount
Twin QHYCCD QHY268 MM Pro cameras
IMAGE CAPTURE
Ha 5nm: 306x300" bin 1x1
OIII 3nm: 308x300" bin 1x1
Red: 52x120" bin 1x1
Green: 51x120" bin 1x1
Blue: 49x120" bin 1x1
Total integration: 56 hours 14 minutes
Pixel scale: 0.647 arcsec/pixel
Field radius: 0.150 degrees
Capture dates: 16-27 February 2024
Capture location: Fregenal de la Sierra, Spain
Ha 5nm: 306x300" bin 1x1
OIII 3nm: 308x300" bin 1x1
Red: 52x120" bin 1x1
Green: 51x120" bin 1x1
Blue: 49x120" bin 1x1
Total integration: 56 hours 14 minutes
Pixel scale: 0.647 arcsec/pixel
Field radius: 0.150 degrees
Capture dates: 16-27 February 2024
Capture location: Fregenal de la Sierra, Spain
IMAGE PROCESSING
Pre-processing: Pixinsight, CCDStack2
Post-processing: Pixinsight, Photoshop CS2
Pre-processing: Pixinsight, CCDStack2
Post-processing: Pixinsight, Photoshop CS2