Yoshihide Yamanaka/M78

Photographer: Yoshihide Yamanaka , Japan, Date: 23. Nov  2007,
Astro 400D, Pentax 105SDP 515mm F4.9 , ISO400, 4 x 40min ,  Total 160min exposure.

Photographer’s Home Page: http://blogs.yahoo.co.jp/yottyan_cryyagi

Jellyfish Nebula

William Optics FLT 110 mm F7 working to F5,6 ,Astro 350D CMOS at -10ºC, 10 x12 minutes (total 120 minutes) 800 ASA,
Processed with IRIS and Photoshop, Losmandy G11 mount and Sbig STV , Astronomik CLS filter, from Padilla de Arriba (Burgos) Spain

Yoshihide Yamanaka/IC1396

Photographer: Yoshihide Yamanaka , Date: 18. Aug 2007, Location: Takawashi Snow-Park, Japan,
Pentax 105SDP 515mm F4.9 , Astro 400D, ISO400,
2 cuts  Mosaic image (North:40min + 30min, South: 35min + 15min) ………….. with some filmy clouds in the sky.

Frank Bischoff/Pelican Nebula

Photographer: Frank Bischoff, Date: 12. Sep 2007, Location: Black Forest, Germany.
Pentax SDHF 105 700 mm 1600 ASA 2x 6 min, 1x 40 min with Baader 45nm h-alpha filter

Photographer’s Comment:
“I enjoy this pictures because of the blue reflection from Deneb.” ☺

Yoshihide Yamanaka/M31

Photographer: Yoshihide Yamanaka , Date: 3. Aug 2007, Location: Araragi-kogen Nagano-Pref, Japan, Pentax 105SDP 515mm F4.9 ,
Astro 400D, No noise reduction ISO400, 2 x 30min +  2 x 45min

Photographer’s Comment:
” Why many people use high ISO at cooled-camera.
 I think it is better to use under ISO400. I think that less than ISO400 are desirable to get a good work.
 ………………..In particular Cooled camera. “

Jesus Pelaez Aguado/Veil Nebula

Photographer:  Jesus Pelaez Aguado , Date: 14. Aug 2007, Location: Padilla de Arriba (Burgos), Spain
William Optics ZS 66 f 4.8, Astro 350D, ISO800, 18 x 5mins, Processed with IRIS and Photoshop.

David Rigley/Milky Way The nuclear bulge and Galactic Center

Photographer: David Rigley, http://www.pbase.com/westskyleyburn  
Date: 11. Aug 2007,  Location: Leyburn Queensland Australia 10 x 3 mins , ISO 1600 ,
Lens Canon 18 to 55mm EFS, Astro 400D ,No Noise Reduction.

David Rigley/Corona Australis

Photographer: David Rigley, http://www.pbase.com/westskyleyburn  
Date: 11. Aug 2007,  Location: Leyburn Queensland Australia 10 x10 mins , ISO 1600 ,
William Optics Megrez 90MM APO, Astro 400D ,No Noise Reduction.

Jesus Pelaez Aguado/NGC6960

Photographer: Jesus Pelaez Aguado , Date: 4. Aug 2007,
Location: Padilla de Arriba, Burgos, Spain, William Optics FLT Apo 110 mm f 5,6 ,
Astro 350D with Lumicon Deep Sky filter, ISO 1600, 16 x 5mins,
some thin clouds and the light of the a gibbous moon…

Scott Alder/Eta Carina

Photographer: Scott Alder, Date: 22. Jun 2007, Location: Newcastle, NSW, Australia
2×15 mins, ISO 200 , uv/ir filter,MPCC Cooled 350D sensor temp -1 degrees, 10 inch f5.6 Newtonian.