LEGEND | |
| |
| M12 | Messier (†1817) Catalog Number |
| NGC1234 | New General Catalog Number |
| ↕ | Distance in Light Years (Distance Sun 8 Min) |
| LY | Light Year; ~10¹³ Km |
| ø | Visual Size in Arc Minutes |
| ☼ | Apparent Brightness in mag |
| mag | Measure of Brightness; an increase of 1 mag represents ~2.5 times less light. Polaris: 2 mag; Human Eye sees under optimal conditions 6 mag. Originates from Ptolemeus (†160 AD). |
| ★★ | Estimated Number of Stars |
| 900mm | Focal Length of Telescope |
| Gain and ISO | Sensitivity Setting of Sensor |
| 20 x 300" | 20 Exposures of 300 Seconds |
| Ha+OIII | Enhanced Hydrogen (Red) and Oxygen (Blue) Colors with a Duo Narrow Band Filter |
| 19x13 mm | Size of final Crop |
| (.27 mcd/m²) | Measure of Light Polution during Clear and Dark Sky |
|
DSO objects included |
| Andromeda Galaxy | M31 |
| Bode's galaxy | M81 & Cigar galaxy |
| Buble nebula | C11 |
| Caspar the friendly ghost nebula | M78 |
| Cave nebula | SH2-155 |
| Cigar galaxy | M82 |
| Coma Cluster | NGC4874 |
| Crescent nebula | NGC6888 |
| Cygnus Loop | NGC6960 |
| Cygnus wall | NGC7000 (part) |
| Darco Trio | NGC5981, NGC5982, NGC5985 |
| Eagle & Swan nebula | M16 & M17 |
| Elephant Trunc Nebula | IC1396 |
| Fireworks Galaxy | NGC6946 |
| Flame & Horsehead Nebula | NGC2023 |
| Flaming Skull | NGC7822 |
| Flying Bat and Squid nebulae | SH2-129 & OU4 |
| Galaxy cluster | NGC5390 |
| Heart and Soul Nebula | IC1805 & IC1848 |
| Hercules Cluster | M13 |
| Hidden galaxy | IC342 |
| Iris Nebula | NGC7023 |
| Leo Triplet | M65, M66 & Hamburger Galaxy |
| Lion nebula | SH2-132 |
| Lion nebula | SH2-132 |
| Lobster Claw nebula | SH2-157 |
| M106 | |
| Markarian's Chain (partial) | M84 & M86 |
| Markarian's Chain | M87 |
| Monkey Head Nebula | NGC2175 |
| North America & Pelican Nebula | NGC7000 |
| Orion Nebula | M42 |
| Pinwheel Galaxy | M101 |
| Plejades | M45 |
| Rosette Nebula | NGC2244 |
| Sadr Region | |
| Stephan's quintet | NGC7318 |
| Sunflower Galaxy | M63 |
| Surfboard Galaxy & Owl Nebula | M108 & M97 |
| Tiger's eye galaxy | NGC2841 |
| Triangulum Galaxy | M33 |
| Trifid nebula | M20 |
| Whirlpool Galaxy | M51 |
| Wizard nebula | NGC7380 |
| |
EQUIPMENT USED |
| Omegon RC8 (1600) |
| Omegon Microspeed Guidescope 60mm |
| Askar FRA 500 |
| ZWO ASI 120MM Mini Mono |
| ZWO ASIAIR Pro & Plus |
| ZWO AM5 |
| ZWO Electronic Automatic Focuser |
| ZWO ASI 294 MC Pro |
| Canon EOS RP Astro Modified |
| Optolong Filter L-eXtreme |
| Pixinsight |
| Adobe Photoshop & Lightroom |
|
| Orion Optics UK 200/900 VX8 |
| Baader MPCC Mark III Coma Corrector |
| Celestron AVX GoTo |