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LDN1250/1 LBN558

Classification: Dark & Bright Nebula. LDN 1250/1246. LBN 558
Constellation: Cepheus (CEP)
Object Location: Ra 22h 32m 45s Dec +75° 24’15” (current)
Size & Distance: Apx.100 x 60 Apx 1000 light years.

Date & Location: 07-05-2019 Palomar Mountain, CA.
Exposure: LRGB 135, 60, 60, 60. L-9x15 RGB 6x10 ea.(bin 1x1)
Optics: Telescope Engineering Company APO110FL w/ TEC FF @ f/5.74, 631mm using the Optec FocusLynx
Mount: Astro-Physics 1200 GTOCP4 / ATS 10x36 pier.
Camera: FLI-PL16803 @-25c / FLI CFW5-7 / Guided by SBIG ST-I / w OAG.
Filters: Astrodon G2 LRGB
Software: MaxImDL 6.10, Photoshop CC, CCDStack, Topaz Studio.

Notes: Sky conditions: Above average seeing, Calm winds, Temp 60°
Image Field of view is 198 x 198 arcmin. Image Scale 2.94 arcsec/pix
Image was reprocessed in 2023.

LBN 558, containing dark nebulae LDN-1250/1 to the left and LDN-1246 to the right and is situated in the northern part of Cepheus none as the Cepheus flare region. There are also two PGC spiral galaxies seen in this image. PGC 69472 is to the left sitting at the nose of LBN 558, and PGC 166755 is just left of center. LBN 558 ranks at 6 on the LBN brightness scale, as dim as they get.