Ced 51
Above image awarded AAPOD2 Image of the Day on 03March2022
Below: Improve & crop, May 2023
Cederblad 51 (the central blueish areas) is a reflection nebula in the constellation of Orion. It is part of Sharpless 2-264, which is sometimes referred to as 'Orion's Head'.
Imaging telescope: Takahashi FSQ130ED
Imaging camera: FLI ML16200
Mount: Takahashi EM 400 Temma 2M
Guiding telescope: Takahashi FS60CB
Guiding camera: QHY CCD QHY 5 II
Focal Extender / Reducer: None
Capture Software: Sequence Generator Pro, PHD 2
Processing Software: Astro Pixel Processor, PixInsight, Topaz DeNoise, Photoshop
Filters (50mm): Astrodon RGB & Astrodon Ha (3nm)
Accessories: SeleTEK2 controlling Robofocus Focuser, ATIK EFW3
Original Image (Crop): 2700 x 2400
Dates: 6th Feb - 1st Mar 2022
Frames:
Astrodon Ha 60 x 10'
Astrodon R 75 x 3'
Astrodon G 40 x 3'
Astrodon B 60 x 3'
Total integration = 18 Hours 45 Mins
Center (RA, Dec): (82.831, 12.051)
Center (RA, hms): 05h 31m 19.538s
Center (Dec, dms): +12° 03' 02.796"
Size: 85.9 x 57.3 arcmin
Radius: 0.860 deg
Pixel scale: 1.91 arcsec/pixel
Orientation: Up is 180 degrees E of N
Imaging telescope: Takahashi FSQ130ED
Imaging camera: FLI ML16200
Mount: Takahashi EM 400 Temma 2M
Guiding telescope: Takahashi FS60CB
Guiding camera: QHY CCD QHY 5 II
Focal Extender / Reducer: None
Capture Software: Sequence Generator Pro, PHD 2
Processing Software: Astro Pixel Processor, PixInsight, Topaz DeNoise, Photoshop
Filters (50mm): Astrodon RGB & Astrodon Ha (3nm)
Accessories: SeleTEK2 controlling Robofocus Focuser, ATIK EFW3
Original Image (Crop): 2700 x 2400
Dates: 6th Feb - 1st Mar 2022
Frames:
Astrodon Ha 60 x 10'
Astrodon R 75 x 3'
Astrodon G 40 x 3'
Astrodon B 60 x 3'
Total integration = 18 Hours 45 Mins
Center (RA, Dec): (82.831, 12.051)
Center (RA, hms): 05h 31m 19.538s
Center (Dec, dms): +12° 03' 02.796"
Size: 85.9 x 57.3 arcmin
Radius: 0.860 deg
Pixel scale: 1.91 arcsec/pixel
Orientation: Up is 180 degrees E of N
RGB & Ha in the image
This is the Ha data as a separate Mono image - trying to bring out some detail from the Ha cloud: (Click on image to enlarge)
Sky Map & Finding Chart
Annotated Image
