Magyar menüt kérek. Show menu in Hungarian

Category: english

Messier 76 – urban skies

M76

On 2018-10-06 I wanted to make an experiment with the IDAS LPS D2 light pollution and the Baader UHC filters. From under urban skies, 6 or 7 on the Bortle scale, and from the vicinity of two mercury lamps, I chose to image M76. I used the MC 102/1300 with the DSLR and the N 150/750 with the ASI 120 MM to dig out some meaningful data. The IDAS was in front of the DSLR, the UHC in front of the ASI 120 MM. With the DSLR, at almost F/13, two minute frames came out, at ISO 3200, with reasonable data on it, given the sky.

M 76, NGC 650 [planetary nebula in Per] Little Dumbbell Nebula, Barbell Nebula, Butterfly Nebula, Cork Nebula, Kis Súlyzó-köd 10.1m ø2.7′ [wiki] [simbad] [photo-planner]

(tovább…)

facebooktwittergoogle_plusredditpinterestlinkedinmail

Wizard Nebula – 2018-10-05

Wizard Nebula

Although it’s only a few frames, something came out of the Wizard Nebula, with 9×5 min at ISO 3200, with the N 150/750, Baader MPCC Mark III, Canon 1100D mod, HEQ5 and the IDAS filter. The place, as usual, was Dângău, Cluj.

SH2-142 [H II nebula in Cep] Wizard Nebula [bright] from shc 6m ø30′ [simbad] 750mm, 800mm, 1000mm

NGC 7380, Col 452 [open cluster+nebula in Cep] Wizard nebula, SH2-142, Varázsló köd 7.2m ø12′ [wiki] [simbad] 750mm, 800mm, 1000mm

The prominent open cluster at the bottom left is, for some reason, not in any frequently used catalogs, it is C 2250+580

(tovább…)

facebooktwittergoogle_plusredditpinterestlinkedinmail

Skull Nebula – 2018-10-05

C56 Skull Nebula

I acquired 19x5min at ISO 3200 of the Skull Nebula. Nothing special, I just imaged it, and it came out fairly nice.

C 56, NGC 246 [planetary nebula in Cet] Skull nebula, Koponya-köd, Nebuloasa Craniu 10.9m ø4.6′ [wiki] [simbad] 750mm, 800mm, 1000mm, 1200mm, 1500mm

The nice galaxy is NGC 255 [galaxy in Cet] 11.7m ø3′ [wiki] [simbad] [photo-planner] The much fainter galaxy, next to a bright star in the bottom is MCG-02-03-009, and another faint galaxy in to top right quarter is MCG-02-03-020

(tovább…)

facebooktwittergoogle_plusredditpinterestlinkedinmail

Messier 46 – 2018-10-12

Messier 46

It was a beautiful night, and the first light of my camera battery replacement solution. As a good bye target, as it was already morning, not bothering with guiding, I pointed the telescope towards Messier 46, the famous open cluster that has a planetary nebula superimposed on it, NGC 2438. According to the wikis, the planetary is at around 3k light years away, while the cluster is some 5k. I acquired 18x60s at ISO 3200 with the N 150/750, Baader MPCC Mark III, Canon 1100D mod, HEQ5 setup, with both the Baader UHC and the IDAS LPS D2 filter in place. The filters were not explicitly meant for this target (not even the planetary), but since they were in place and the remaining time was short, I just left the equipment as it was after photographing the nebulae.

(tovább…)

facebooktwittergoogle_plusredditpinterestlinkedinmail

Cave Nebula – 2018-10-12

Cave Nebula

It was an exceptionally good night for observation, so I acquired 31×4 minutes at ISO 3200 light with the N 150/750, Baader MPCC Mark III, Canon 1100D mod, HEQ5, having both the Baader UHC and the IDAS LPS D2 filter in front of the sensor. The Cave Nebula is one of the few Caldwell objects not taken from the NGC or IC catalogs. Since this was the night I deployed my home made power supply for the camera, I am very pleased with this, sort of first light image.

C 9, SH2-155 [nebula in Cep] Cave Nebula, Barlang-köd 7.7m ø50′ [wiki] [simbad] 750mm

(tovább…)

facebooktwittergoogle_plusredditpinterestlinkedinmail

NGC 2174 Monkey Head Nebula – 2018-10-12

Monkey Head Nebula

In october, I photographed the Monkey Head Nebula, acquiring 28x240s, ISO 3200 frames with the N 150/750, Baader MPCC Mark III, Canon 1100D mod, HEQ5 setup, using both the IDAS LPS D2 and the 2″ Baader UHC filter.

NGC 2174, SH2-252 [nebula in Ori] Monkey Head Nebula, Majomfej-köd 6.8m ø20′ [wiki] [simbad] 600mm, 750mm

(tovább…)

facebooktwittergoogle_plusredditpinterestlinkedinmail

Rosette Nebula 2018-11-10

Rosette Nebula

During the same night I imaged the Rosette nebula, acquiring 10 x 5 min, ISO 3200, with the Canon 1100D mod, Canon EF 200mm f/2.8 L II USM at f/6.3, HEQ5, with the IDAS LPS D2 filter clipped in. Compared to my previous attempts, I find this result a more natural, more smooth outcome.

C 49, NGC 2237, SH2-275 [nebula in Mon] Rosette nebula, Rozetta-köd, Sharpless 275, SH2-275 9m ø90′ [wiki] [simbad] 200mm, 400mm, 600mm, 750mm

C 50, NGC 2244, Mel 47, Col 99 [open cluster+nebula in Mon] A open cluster of bright stars, with surrounding nebula extending over a field 1d square. 4.8m ø24′ [wiki] [simbad] 200mm, 400mm, 600mm, 750mm

(tovább…)

facebooktwittergoogle_plusredditpinterestlinkedinmail

A Gemini region – 2018-11-10

Gemini region

During the same night, I imaged the Gemini region containing:

LBN 844, SH2-248 [SNR in Gem] Jellyfish Nebula [bright] from shc, Medúza-köd  6m ø50′ [simbad] 135mm, 200mm, 400mm, 600mm, 750mm

NGC 2174, SH2-252 [nebula in Ori] Monkey Head Nebula, Majomfej-köd 6.8m ø20′ [wiki] [simbad] 600mm, 750mm

M 35, NGC 2168, Mel 41, Col 82 [open cluster in Gem] M. 35. Large open cluster, well defined and condensed towards centre. 5.1m ø28′ [wiki] [simbad] 750mm

Also on the image:

NGC 2158, Mel 40, Col 81 [open cluster in Gem] A very small Class II or globular cluster. Somewhat similar to NGC 2266. 8.6m ø5′ [wiki] [simbad] 750mm

IC 2156 [open cluster in Gem] [wiki] [simbad] [photo-planner]

IC 2157 [open cluster in Gem] 8.4m ø7′ [wiki] [simbad] [photo-planner]

LBN 843, SH2-247 [H II nebula in Tau] Sharpless 247, SH2-247 [midbright] from shc 8m ø9′ [simbad] [photo-planner]

LBN 845 [nebula in Gem] LBN brightness=4 ø20′ [simbad] [photo-planner]

I put together 5 framings to extend the corners, the main frame contains 16x90s ISO 3200, F/5, using the usual rig Canon 1100D mod, Canon EF 200mm f/2.8 L II USM at f/x, HEQ5 and the IDAS LPS D2 filter.

(tovább…)

facebooktwittergoogle_plusredditpinterestlinkedinmail

IC 2177 Seagull Nebula 2018-11-10

Seagull Nebula

The same night I imaged the IC 2177, SH2-296 [nebula in Mon] Seagull Nebula, Sirály-köd, Sharpless 296, SH2-296 ø120′ [wiki] [simbad] 200mm, gathering 10x195sec at f/4 ISO 3200 with the Canon 1100D mod, Canon EF 200mm f/2.8 L II USM at f/x, HEQ5, using the IDAS LPS D2 clip in filter. For this one I also used my starheal.

(tovább…)

facebooktwittergoogle_plusredditpinterestlinkedinmail

California nebula – 2018-11-10

California nebula

I managed to dial down the chromatic problems (astigmatism?) of my Canon EF 200mm f/2.8 L II USM, by adjusting the lens’s mount, but it’s still bordering garbage for astrophotography’s needs.

I imaged NGC 1499, SH2-220 [nebula in Per] California nebula ø160′ [wiki] [simbad] 200mm, 400mm  on 2018-11-10, with the usual wide field rig, Canon 1100D mod, Canon EF 200mm f/2.8 L II USM at f/4.5, HEQ5, acquiring 21×90 sec of light at ISO 3200. An extra is the IDAS LPS D2 clip in filter.

(tovább…)

facebooktwittergoogle_plusredditpinterestlinkedinmail

Jól kalibrált monitoron mindegyik számnál elkülönülő árnyalat látszik. Ha mégsem látszanak, akkor a megjelenített képek színhiányosan rajzolódnak ki. A monitort valószínűleg kalibrálni kell.

You should see distinct shades for each number. If those shades are not clearly visible, the displayed pictures will lack accuracy. Your display most likely needs to be calibrated (brightness, gamma, contrast etc.).