La Palma Visit 2018
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Imaged with my AG12 and H35 from my back garden in the UK. A massive task to tame Alnitak, it took over 12hours to process this one. Exposure times were 4x900s in H-alpha, 4x900s in Red, 4x820s in Blue and 4x640s in Green. Processed in Photoshop and Lightroom.
M42 The Great Orion Nebula Imaged in one night with my AG12 F3.8 Newt and Starlight Xpress H35, conditions were variable with light haze hindering the session, but to be honest I'll take what I can. We have had another very poor winter season with partial clear skies and rain. Exposure times were. 4x900 Ha 1x900 in R 4x840 in B 4x620 in G. Core exposures in RGB were 30s. Managed to increase the red signal with the H-alpha frames. Not Ideal but it is what it is!
NGC7023 The Iris Nebula Imaged over two nights and plagued by satellite trails. Imaged before moon rise. Exposure times were 8x 900s in Red 8x 630s in Green 8x 820s in Blue. Processed in Photoshop, pushed right down to the noise levels.
M33 in Triangulum imaged in RGB exposure times were 7x 900s in Red 7x 640s in Green and 7x 860s in Blue
Managed to get just enough for this one. I let it pass the meridian with less than an inch to spare before fouling the mount. I was going to do a meridian flip and carry on but the haze came in so I parked the scope and called it a night. I think the noise levels are acceptable and will probably shelve this data and move onto something else. I used very loose G2V exposure weights for the RGB, Exposure times were 5x600in Red 5x420 in Green 5x560 in Blue and 2x1800 in Ha
Eastern Veil in HRGB Imaged from my back garden in the UK over two nights the conditions were beautiful with the moon out of the way...spent most of it tweaking the mount...but managed enough to get something nice....the H-alpha frames really helped extend the delicate tendrils from the nebula. Exoposure times are 2x 1800 s of H-alpha, 4x 900s in Red and Blue, 4x 600s in Green for a total exposure of 3 hours and 40mins Imaged with My AG12 F3.8 astrograph and SX H35 CCD camera
B-143 in Aquila exposure time 3x600s in Red 3x420in Green and 3x530s in Blue. Scope 300mm F/3.8 Newtonian Astrograph and Starlight Xpress H-35 full frame. No Flat, Bias or Dark frames taken for this image. It was only a test shot after a refurb of the scope and mount.
SH2-155 The Cave Nebula in Cassiopeia. Exposure times were 2hours in each RGB for a total time of 6 hours. All RGB subs were combined to make a pseudo luminance channel
A two panel mosaic Comet Lovejoy Q2 imaged on January 16 2015 as it passed though Taurus. Exposures were LRGB 300s in each channel total 40mins.
Perseus Cluster 10mins in each filter LRGB. I always had Issues with halos with these filters but I believe this issue has now been resolved with the MII’s
Ic405 The Flaming Star Nebula in Auriga. Exposure times were 60mins in Red, 54mins in Blue and 42mins in Green.
M94 in Ursa Major taken with the AG12. Exposure time was 24x900s for luminance, 4x600s in Red, 4x420s in Green and 4x530s in Blue.
M82 Exposure times were 3X30mins in luminance 4x600s in Red, 4x420s in Green and 4x530s in Blue, 9x600s in H-alpha. Cropped from a wider field.
M81 Exposure times were 3X 30mins in luminance 4x 600s in Red, 4x 420s in Green and 4x 530s in Blue, 9x 600s in H-alpha.
Integrated Flux Nebula with galaxies M81 ands M82. Exposure times was a total 30.5 hours. 8hours in Luminance Red, Blue and 4hours in Green, 2.5hours in H-alpha.
M45 The Pleiades imaged in RGB, exposure times were 130mins in Red, 84mins in Green, 108mins in Blue. Telescope AG8 Corrected Newtonian F/3.8
I’ve been working on this scope for nearly two years. I’ve finally got it together ready for testing and this is the first image taken with it.. The telescope is a 10inch Dall-Kirkham fully corrected across a 50mm field F6.8 the camera is a full frame Starlight Xpress H35, Mount is a G41. So far the scope is performing amazingly….although I do have a little tilt on the sensor and I need to refine the optical spacing very slightly. To be honest I just couldn’t wait to start imaging with it so Ill tweak it a little later on. Collimation is a breeze with no special tools needed and can all be done very easily on a star. To say I’m pleased would be an understatement. M45 a single 20min exposure in each LRGB filter
M33 in Triangulum 60mins in Luminance 60mins in Red, 54mins in Blue and 28mins in Green
IC5146 The Cocoon Nebula in Cygnus. Exposure time 11 and a half hours in H-alpha 6 hours of Luminance 1 and a half hours for each RGB channels Total 22hours.
The bright star Gamma Cassiopeiae lights up the ghost like nebulae of IC63. Exposure time was 90mins in each RGB giving a total exposure of 4 and a half hours.
The Horse Head Nebula and surrounding area, Exposures were 4 hours in Ha, 40mins in Red 18mins in Green and 95mins in Blue. Imaged with my AG12 and H35 ccd
M101 and Ngc5474. exposure time was 8x30mins in Luminance and 5x30mins in each RGB RGB frames were added to the Luminance to increase signal. Total exposure time was 11 and a half hours.
M106 area in Ursa Major. taken with the AG12 exposure time was 6x600s in Red, 6x420s in Green, 6x530s in Blue and 6x900s in Luminance.
Markarian’s Chain LRGB, 1 hour exposure time for the Luminance and 10mins in Red 9mins in Blue and 7mins in Green.
This is another version of NGC281 the Pacman Nebula in Cassiopeia. Going over all my old data to produce a combination of narrow band and RGB. Exposure time was 3 hours in each RGB and 7 and a half hours in H-alpha 1 hour 20mins in both OIII and SII. Total exposure time was 19 hours 10 mins. Imaged with my AG12 Newtonian and H35 camera by Starlight Xpress and My AG8 and H16 for the narrow band data. Ive had lots of fun processing this one. I really love the look of the finished colour combination ...but it doesn't sit quite right with me as far as what I would call a 'correct' visual representation of the object....but its a nice effect and worth posting.
Ngc4216 and family. just right of Markarians Chain. Exposure time was 4x15mins in L 3×530 in Blue 3×420 in Green and 3×600 in Red.
Ngc4631 the Whale, a galaxy in Canes Venatici, 5x15mins in Luminance , 3×600 in Red 3×420 in Green and 3x 530 in Blue.
Ngc4725 and Ngc4747 in Coma Berenices exposure times Luminance 6x20mins plus the RGB subs, red 3x20mins Green 3x14mins Blue 3x18mins. This pair are very small in the full frame so has been quite an extreme crop.
Orion’s sword region showing the Horse Head Nebula and two of the stars in the belt Alnitak and Alnilam, extending down to M42 The Great Orion Nebula, completing the sword region. A three frame mosaic with added image data from previous Horse Head, Running Man, and M42 shots. Nearly 17 hours of exposure time. Telescope AG8 and H35.
The Rosette Nebula in H-alpha RGB five and a half hours total exposure time.
The Witches Broom and Pickering’s Triangle, part od the Veil Nebula in Cygnus. Two frame mosaic with exposure times 6x 600s in red 6x 420s in green and 6x 530 in blue for each panel.
July 15, 2018
All images and content copyright © Peter Shah