(Full Res in RASC Zenfolio, or full res mouseover in Astrobin) (Full Res in RASC Zenfolio, or full res mouseover in Astrobin) SH2-155 or Caldwell 9: The Cave Nebula in Cepheus Askar 151phq; AP Mach2 GTO; ASI6200MM, – Chroma Broadband
The standard textbooks indicate that the start or conception of a new star formation is the collapse of a molecular cloud. But my background in thermodynamics, heat/mass transfer and fluid mechanics leaves this superficial explanation ungratifying (at least to me?)
The Rotten Fish Heat Engine: LDN 1251 (Cepheus) in LRGBAskar 151phq; AP Mach2 GTO; ASI6200MM, – Chroma LRGBL: (85 x 150s 61 Bin 1, Gain 100), R,G,B: (43,44,38 x 180s, Bin 1, Gain 100)Total integration time = 9.8 hrs (Aug 3,4