Optolong Astronomy Filter

Capture the Cosmos &Win Cash Prizes! 2025 #Optolong Deep-Sky Astrophotography #Contest is officially here!🌌✨ Grab your telescope,camera,and start capturing the wonders of deep space! How to enter: optolong.com/cms/document/d… Don’t miss out-the universe is waiting for your lens!🚀📸

IC1848 Soul Nebula in SHO This image is the result of combining two OSC #filters, the Optolong #L2 Dual Combo Set. 🔭Tecnosky owl 90\540 📷Zwo Asi2600 duo ⚙️Sw Az-eq6 temp -10 with dark, flat and darkflat #Optolong L-eXtreme 80 x 300s L-Synergy 201 x 300s Credit: Gianni Lacroce

The ‘Garlic’ Nebula, or ‘Garlic Head’, CTB1, in the constellation Cassiopeia. Photographed here from the sky above the Aosta Valley, with the moon still full. Askar 500 ZWO ASI 2660MC #Optolong L-Ultimate, 7hours total exposure time. Authors: Artesky Astro Team Hope you like it.

The Phantom of the Opera (Sh2-173) Light: 216 x 300" Filter: #Optolong Astronomy #Filter L-Para #Camera: Asi 294 mc pro #Telescope: Sky-Watcher Newton 200/1000 PDS Mount: Skywatcher Eq 6-r Pro Acquisition: Asiair Plus SQM: 19.75% Author: PRO’ GIACOMO. Hope you like it.

NGC 7822,Hubble SHO palette composition obtained by two types of narrow-band filters. Light 193x300" #filter: Optolong L-Ultimate 183x300": #Optolong L-Synergy 176x20":Optolong #L-Qef(stelle RGB) 📷Asi 294mc pro 🔭Sky-Watcher 200/1000 PDS Skywatcher Eq6-r Pro Credit:PRO’ GIACOMO

Sh2-129 & Barnard 150 Finally, the fifth project of observatory in Texas is coming to fruition. 🔭TS-Optics 70mm f/5 Quadruplet 📷QHYCCD QHY268 M Filters: #Optolong LRGB, H-Alpha 3nm, OIII #3nm 2" Integration Totals: 70h 15′ Mount: iOptron HAE29EC Credit: Mirko Tondinelli Enjoy~

The Toast Nebula (LDN1221) This image required over 20 hours of exposure time captured over 4 nights. 🔭William Optics Pleiades 111 f/4.8 📷Zwo ASI6200MM Pro Exposure: 155 x 6min L, 20x6min RGB, 50 x 6 min Ha Mount: Zwo AM5 Filter: #Optolong LRGB 3nm Ha Credit: Stars Over Bucks

This is Sh2-132, better known as the Lion Nebula. ASI2600MC + TS-Optics 115/800 Gain 100 255*5min Optolong L-Ultimate 3nm #filter 150*5min, Askar D Duo Sii/Oiii 3*15min, Optolong L-Pro Total time: 34h 30min Tracked and Guided with Ragdoll20 Bortle Sky 5 Credit: Stefan R. Nilsson

Helix Nebula(NGC 7293), also known as “God's Eye” due to its distinctive shape. Light 330x300" Filter: #Optolong Astronomy Filter L-Para Camera:Asi294mc pro Telescope:Sky-Watcher Newton 200/1000 PDS Mount: Skywatcher Eq6-r Pro DSS-Pixinsight–Photoshop SQM:19.75 Credit:Giacomo Pro

NGC 7331 and Supernova SN2025rbs Celestron 14″ EDGE HD telescope at f/11 (3,912 mm focal length) and QHY600M camera binned 2×2 with #Optolong filters. 51 x 5m Red=4hr 15m 52 x 5m Green=4hr 20m 50 x 5m Blue=4hr 10m 24 x 5m Ha=2hr 0m Total: 14hr 45m Credit: Astrodoc Ron Brecher

M33 🔭Skywatcher 150/750 Heq5 pro 📷294 MC PRO Integration: 375 120" exposures over two nights Filter: #Optolong L-QEF (L-Quad Enhance Filter) 2" Guiding telescope:Take 60/240 Guiding camera: ZWO 224 SQM:21.1 Processing software:DSS-PS Credit: Raffaele Calcagno Hope you like it.

Lbn528 and Lbn532, dark nebulae in the constellation Cepheus. Light:149x600" #Optolong L-Ultimate filter Light:215x300"Optolong L-Pro filter Light:89x300"Optolong L-Qef #filter Total: 50h:10m Dark:30x600‘-30x300’ Flat and Dark-Flat:45x5" for each filter Credit:Federico Boninsegna

Helping Hand Nebula LDN 1355 🔭 Askar fra600 reducer f3.9 📷 Zwo Asi 2600 duo ⚙️ Zwo Am5 #Optolong L-Quad Enhance filter temp 0 with dark, flat and darkflat rgb 185 x 300s Pixinsight Photoshop Credit: Gianni Lacroce Hope you like it. #quad #nebula

Ring Nebula (M57) Light:625x180":#Optolong Filter L-Para Light:435x30":Optolong L-Para Light:120x60": Optolong L-Qef Light:195x180": 850nm IrPass 📷ZWO ASI533mc Pro-ZWO ASI533mm Pro 🔭Celestron C11 F10 Reduced to F6.3 with Starizona IV reducer Credit:Pro’ Giacomo & Romani Michele

One of the most amazing objects in the southern sky, Eta Carinae, in the constellation Carina...one of the largest known H II regions within our galaxy,measuring 260 light years across! Takahashi Fsq 106 ZWO ASI2600MC #OPTOLONG L-Ultimate 20x420". Credit: Alessandro Cipolat Bares

The central area of the large nebula NGC 7822 Site:Stigliano (MT)-Italy,SQM 21.15 Lights: 79x300s (@Optolong Ha-7nm)+84x300s (Optolong OIII-6.5nm)+84x300s (Optolong SII-6.5nm) Setup: Omegon PRO CC200@1870mm Skywatcher AZEQ6GT Giordano/Touptek IMX571M Credit:Tommaso Massimo Stella

New image with the #Optolong L-Extreme&L-Synergy filter duo for an SHO result on IC1396:the Elephant Trunk Nebula. Really very effective in any case against light pollution in Nancy. Askar 140APO ASI 2600MC Air ZWO AM5 L-eXtreme:100x300s #L-Synergy:142x300s Credit:Cédric Humbert

#Comet C/2025 A6 (Lemmon) The photograph was taken shortly after sunset on 24/10/2025. Light 77 x 60” #Filter: #Optolong L-QEF #Camera:Asi 294 mc pro #Telescope: Sharpstar 94 EDPH #Mount: Skywatcher Eq 6-r Pro Location:Torricella (TA) ITALY SQM: 19.55 Credit: PRO’ GIACOMO

Comet C/2025 A6 (Lemmon) The image was taken shortly before dawn on 14/10/2025 when the comet was passing through the constellation Ursa Major. Light 60x60" #Optolong Astronomy L-QEF 📷Asi 294mc pro 🔭Sky-Watcher Newton 200/1000 PDS Average moon phase:43.5% Credit:PRO’ GIACOMO.